2223144221957 has 2 divisors, whose sum is σ = 2223144221958. Its totient is φ = 2223144221956.

The previous prime is 2223144221873. The next prime is 2223144222077. The reversal of 2223144221957 is 7591224413222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1836420681316 + 386723540641 = 1355146^2 + 621871^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223144221957 - 2²² = 2223140027653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2223144221057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111572110978 + 1111572110979.

It is an arithmetic number, because the mean of its divisors is an integer number (1111572110979).

Almost surely, 2^{2223144221957} is an apocalyptic number.

It is an amenable number.

2223144221957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223144221957 is an equidigital number, since it uses as much as digits as its factorization.

2223144221957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 44.

The spelling of 2223144221957 in words is "two trillion, two hundred twenty-three billion, one hundred forty-four million, two hundred twenty-one thousand, nine hundred fifty-seven".